NDLI: Word processing for Arabic language: A reappraisal of morphology induction through adaptive memory self-organisation strategies

Content Provider	IEEE Xplore Digital Library
Author	Marzi, Claudia Nahli, Ouafae Ferro, Marcello
Copyright Year	2014
Description	Author affiliation: Institute for Computational Linguistics, National Research Council - ILC, CNR Pisa, Italy (Marzi, Claudia; Nahli, Ouafae; Ferro, Marcello)
Abstract	Modelling the mental lexicon focuses on processing and storage dynamics, since lexical organisation relies on the process of input recoding and adaptive strategies for long-term memory organisation. A fundamental issue in word processing is represented by the emergence of the morphological organisation level in the lexicon, based on paradigmatic relations between fully-stored word forms. Morphology induction can be defined as the task of identifying morphological formatives within morphologically complex word forms. In the computational framework we propose here (TSOMs), based on Self-Organising Maps with Hebbian connections defined over a temporal layer, the identification/perception of surface morphological relations involves the alignment of recoded representations of morphologically-related input words. Facing a non-concatenative morphology such as the Arabic inflectional system prompts a reappraisal of morphology induction through adaptive organisation strategies, which affect both lexical representations and long-term storage. We will show how a strongly adaptive self-organisation during training is conducive to emergent relations between stored word forms, and to high accuracy rates in generalising knowledge of stored words to unknown forms.
Starting Page	241
Ending Page	247
File Size	1264675
Page Count	7
File Format	PDF
ISSN	23271884
e-ISBN	9781479959792
DOI	10.1109/CIST.2014.7016626
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	Morocco
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decision support systems Adaptive systems Word recoding and processing Surface morphology Lexical storage and access Topological alignment Self-organising maps Text processing Training Accuracy Non-concatenative morphological structure Morphology Synchronisation
Content Type	Text
Resource Type	Article

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